Obviously, only a cultivation method like the Heavenly Evolution Codex could strengthen the Power of Rule within one's body through cultivation.
As for those Rule Realm warriors, the only way they could strengthen the Power of Rule within their bodies was through comprehension.
If that was the case, then it was understandable that their strength increased so slowly.
Especially since, when facing so much Power of Rule in the Void, they could not draw it into their bodies for cultivation.
They could only gaze at the treasure mountain and sigh. How stifling must that have been?
Thinking of other warriors facing such a situation, a smile appeared on Jiang Liu's face.
It seemed that life was not easy for those Void forces in the Void either!
As for whether those Void forces possessed such a cultivation method—
According to Jiang Liu's deductions, they probably did not.
Otherwise, once a cultivation method like this appeared, it should have spread long ago.
There was no way that Bai Yu's memories contained not the slightest information about it.
Even if his memories were incomplete, it could not have happened to be missing this information so perfectly, could it?
Not to mention anyone else—even the Demon God should have been searching for such a cultivation method all along.
Otherwise, after obtaining the Heavenly Evolution Codex, he would not have racked his brains to figure out how to cultivate it.
After all, grabbing something that already existed was always better than waiting for an ethereal opportunity.
Thus, Jiang Liu could completely imagine just how important the Heavenly Evolution Codex was.
Of course, that was because it had fallen into his hands, allowing it to display its proper use.
Before this, when the Heavenly Evolution Codex had fallen into the Demon God's hands, it had merely